GURL::Replacements methods accept a StringPiece instead of std::string&.

chrome/browser/ui/app_list/start_page_service.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/app_list/start_page_service.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 540 matching lines @@
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
       std::string());
 }
 
 void StartPageService::UnloadContents() {
   contents_.reset();
   webui_finished_loading_ = false;
 }
 
 void StartPageService::FetchDoodleJson() {
-  // SetPathStr() requires its argument to stay in scope as long as
-  // |replacements| is, so a std::string is needed, instead of a char*.
-  std::string path = kDoodleJsonPath;
   GURL::Replacements replacements;
-  replacements.SetPathStr(path);
+  replacements.SetPathStr(kDoodleJsonPath);
 
   GURL google_base_url(UIThreadSearchTermsData(profile_).GoogleBaseURLValue());
   GURL doodle_url = google_base_url.ReplaceComponents(replacements);
   doodle_fetcher_.reset(
       net::URLFetcher::Create(0, doodle_url, net::URLFetcher::GET, this));
   doodle_fetcher_->SetRequestContext(profile_->GetRequestContext());
   doodle_fetcher_->SetLoadFlags(net::LOAD_DO_NOT_SAVE_COOKIES);
   doodle_fetcher_->Start();
 }
 
@@ skipping 34 matching lines @@
 
   // Check for a new doodle.
   content::BrowserThread::PostDelayedTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(&StartPageService::FetchDoodleJson,
                  weak_factory_.GetWeakPtr()),
       recheck_delay);
 }
 
 }  // namespace app_list